Configuring Learning Methods - Cisco 4500M Software Manual
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Also See for 4500M:
- Command reference manual (578 pages) ,
- Hardware installation and maintenance manual (143 pages) ,
- Upgrade manual (24 pages)
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Configuring IGMP Snooping
This example shows how to enable IGMP snooping on VLAN 2 and verify the configuration:
Switch# configure terminal
Switch(config)# ip igmp snooping vlan 2
Switch(config)# end
Switch# show ip igmp snooping vlan 2
Global IGMP Snooping configuration:
-----------------------------------
IGMP snooping
IGMPv3 snooping
Report suppression
TCN solicit query
TCN flood query count
Vlan 2:
--------
IGMP snooping
IGMPv2 immediate leave
Explicit host tracking
Multicast router learning mode : pim-dvmrp
CGMP interoperability mode
Configuring Learning Methods
The following sections describe IGMP snooping learning methods:
•
•
Configuring PIM/DVMRP Learning
To configure IGMP snooping to learn from PIM/DVMRP packets, perform this task:
Command
Switch(config)# ip igmp snooping vlan
vlan_ID mrouter learn [cgmp | pim-dvmrp]
This example shows how to configure IP IGMP snooping to learn from PIM/DVMRP packets:
Switch(config)# ip igmp snooping vlan 1 mrouter learn pim-dvmrp
Switch(config)# end
Switch#
Configuring CGMP Learning
To configure IGMP snooping to learn from CGMP self-join packets, perform this task:
Command
Switch(config)# ip igmp snooping vlan
vlan_ID mrouter learn [cgmp | pim-dvmrp]
Software Configuration Guide—Release 12.2(25)EW
18-6
: Enabled
: Enabled
: Enabled
: Disabled
: 2
Configuring PIM/DVMRP Learning, page 18-6
Configuring CGMP Learning, page 18-6
Chapter 18
: Enabled
: Disabled
: Enabled
: IGMP_ONLY
Purpose
Specifies the learning method for the VLAN.
Purpose
Specifies the learning method for the VLAN.
Configuring IGMP Snooping and Filtering
OL-6696-01
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